| 63673 | A dog breeder currently has 9 breeding dogs | Medium | |
| 63774 | Three unbiased coins are tossed | Medium | |
| 63814 | A box contains 3 blue marbles, 4 red, 6 green marbles and… | Medium | |
| 63821 | During a particular equestrian competition, the rider and his horse have 5… | Medium | |
| 63827 | Ram and Shyam have a cube each | Medium | |
| 63829 | An unbiased die is tossed.Find the probability of getting a multiple of… | Medium | |
| 63867 | 8 red card number 1-8 put in one box， 8 blue card… | Medium | |
| 63916 | John has on his shelf four books of poetry, four novels, and… | Medium | |
| 64005 | A = {2, 3, 4, 5} B = {4, 5, 6, 7… | Medium | |
| 64016 | A jar contains 10 marbles consisting of an equal number of red… | Medium | |
| 64028 | The probability of having a girl is identical to the probability of… | Medium | |
| 64049 | An integer n between 1 and 100, inclusive, is to be chosen… | Medium | |
| 64079 | In a drawer of shirts 8 are blue, 6 are green and… | Medium | |
| 64155 | A box contains 100 balls, numbered from 1 to 100 | Medium | |
| 64156 | In a certain game, you perform three tasks | Medium | |
| 64168 | In Badminton game, one player throws two fair, six-sided die at the… | Medium | |
| 64171 | John throws a coin until a series of five consecutive heads or… | Medium | |
| 64186 | A fair coin with sides marked heads and tails is to be… | Medium | |
| 64188 | A rectangle A has an area of 30 square centimeters | Medium | |
| 64198 | When tossed, a certain coin has an equal probability of landing on… | Medium | |
| 64239 | Three houses are available in a locality | Medium | |
| 64241 | A dog breeder currently has 9 breeding dogs | Medium | |
| 64296 | From a pack of 52 cards, two cards are drawn together at… | Medium | |
| 64309 | If a randomly selected positive single digit multiple of 3 is multiplied… | Medium | |
| 64391 | For 6-digit integer 46x,y12, when x and y are drawn at random… | Medium | |
| 64420 | If # is an operation which results in adding the digits of… | Medium | |
| 64447 | A bag contains 4 red and 3 black balls | Medium | |
| 64448 | In a contest, a bowl contains 5 keys, one of which will… | Medium | |
| 64468 | A box contains 100 balls, numbered from 1 to 100 | Medium | |
| 64480 | In a certain animal population, for each of the first 3 months… | Medium | |
| 64593 | On a game show, a contestant is given three keys, each of… | Medium | |
| 64608 | Three 8 faced dice are thrown together | Medium | |
| 64622 | Among a group of 2500 people, 35 percent invest in municipal bonds… | Medium | |
| 64772 | In a garden, four are three blue flowers, four red flowers, four… | Medium | |
| 64840 | A bag contains 10 red jellybeans and 10 blue jellybeans | Medium | |
| 64904 | If the probability that Brendon, Daniel and Kane score more than 700… | Medium | |
| 64906 | Consider another example where a pack contains 4 blue, 2 red and… | Medium | |
| 64935 | A dice is thrown | Medium | |
| 64957 | Kunal electronic services assemble computers | Medium | |
| 64969 | A coin is tossed six times | Medium | |
| 64982 | What is the probability T of randomly selecting an arrangement of the… | Medium | |
| 65017 | Tickets numbered from 1 to 27 are mixed and then a ticket… | Medium | |
| 65046 | If x is a positive integer with fewer than 3 digits, what… | Medium | |
| 65050 | Suppose you flip a fair coin three times | Medium | |
| 65051 | In a certain random experiment, exactly one of the outcomes A, B… | Medium | |
| 65107 | In a simultaneous throw of two dice, what is the probability of… | Medium | |
| 65118 | In a box of 12 pens, a total of 3 are defective | Medium | |
| 65143 | There are 6 different travelers who each have a choice of vacationing… | Medium | |
| 65152 | Charlie, a painter, has 9 jars of paint: 4 are Red, 2… | Medium | |
| 65231 | Each of four different locks has a matching key | Medium | |